Method and apparatus for measuring speed of land vehicle using accelerometer
    1.
    发明授权
    Method and apparatus for measuring speed of land vehicle using accelerometer 有权
    使用加速度计测量陆地车辆速度的方法和装置

    公开(公告)号:US07032450B2

    公开(公告)日:2006-04-25

    申请号:US10885984

    申请日:2004-07-07

    IPC分类号: G01P15/00

    CPC分类号: G01P7/00

    摘要: Disclosed is an apparatus and a method for measuring the speed of a land vehicle using an accelerometer. The method includes the steps of storing measurement data provided from an accelerometer; analyzing the measurement data to determine whether the vehicle is stopped; calculating a road angle using the measurement data of the accelerometer when it is determined, upon analysis, that the vehicle is moving; determining the sign of the road angle when the road angle is greater than a threshold value; compensating for a gravitational acceleration component included in the measurement data of the accelerometer using the road angle; and calculating the speed of the vehicle based on the acceleration of the vehicle with the gravitational acceleration component compensated. It is possible to reduce the number of expensive gyroscopes needed for a vehicle speed measuring apparatus, thereby reducing the cost of the apparatus.

    摘要翻译: 公开了一种使用加速度计测量陆地车辆的速度的装置和方法。 该方法包括存储从加速度计提供的测量数据的步骤; 分析测量数据以确定车辆是否停止; 当分析确定车辆正在移动时,使用加速度计的测量数据计算道路角度; 当道路角度大于阈值时,确定道路角度的符号; 使用道路角度补偿加速度计的测量数据中包括的重力加速度分量; 并且基于所述重力加速度分量补偿的车辆的加速度来计算车辆的速度。 可以减少车辆速度测量装置所需的昂贵的陀螺仪的数量,从而降低了装置的成本。

    Method and apparatus for measuring speed of land vehicle using accelerometer
    2.
    发明申请
    Method and apparatus for measuring speed of land vehicle using accelerometer 有权
    使用加速度计测量陆地车辆速度的方法和装置

    公开(公告)号:US20050139004A1

    公开(公告)日:2005-06-30

    申请号:US10885984

    申请日:2004-07-07

    IPC分类号: G01P15/02 G01P7/00 G01P15/00

    CPC分类号: G01P7/00

    摘要: Disclosed is an apparatus and a method for measuring the speed of a land vehicle using an accelerometer. The method includes the steps of storing measurement data provided from an accelerometer; analyzing the measurement data to determine whether the vehicle is stopped; calculating a road angle using the measurement data of the accelerometer when it is determined, upon analysis, that the vehicle is moving; determining the sign of the road angle when the road angle is greater than a threshold value; compensating for a gravitational acceleration component included in the measurement data of the accelerometer using the road angle; and calculating the speed of the vehicle based on the acceleration of the vehicle with the gravitational acceleration component compensated. It is possible to reduce the number of expensive gyroscopes needed for a vehicle speed measuring apparatus, thereby reducing the cost of the apparatus.

    摘要翻译: 公开了一种使用加速度计测量陆地车辆的速度的装置和方法。 该方法包括存储从加速度计提供的测量数据的步骤; 分析测量数据以确定车辆是否停止; 当分析确定车辆正在移动时,使用加速度计的测量数据计算道路角度; 当道路角度大于阈值时,确定道路角度的符号; 使用道路角度补偿加速度计的测量数据中包括的重力加速度分量; 并且基于所述重力加速度分量补偿的车辆的加速度来计算车辆的速度。 可以减少车辆速度测量装置所需的昂贵的陀螺仪的数量,从而降低了装置的成本。

    Apparatus and method for sensing a state of a movable body
    3.
    发明授权
    Apparatus and method for sensing a state of a movable body 失效
    用于感测可移动体的状态的装置和方法

    公开(公告)号:US07366324B2

    公开(公告)日:2008-04-29

    申请号:US10646555

    申请日:2003-08-21

    IPC分类号: G06K9/00

    CPC分类号: G07C5/0841

    摘要: An apparatus and method for sensing a state of a movable body. According to the apparatus and method, since image information regarding a dashboard of a movable body is collected and a state of the movable body is sensed by analyzing the collected image information by means of image recognition technologies, the state of the movable body can be accurately sensed without an odometer and without a separate wire connection in the movable body. Further, when the apparatus and method are applied to a navigation system, more accurate position information and path guidance can be provided to users of the navigation system.

    摘要翻译: 一种用于感测可移动体的状态的装置和方法。 根据该装置和方法,由于通过图像识别技术分析收集的图像信息,因此收集有关移动体的仪表板的图像信息,并且通过分析收集的图像信息来检测移动体的状态,所以能够准确地移动移动体的状态 在没有里程计的情况下感测到,并且在可移动体中没有单独的电线连接。 此外,当将装置和方法应用于导航系统时,可以向导航系统的用户提供更准确的位置信息和路径引导。

    Method and apparatus for measuring velocity of land vehicle using accelerometer and route guidance information data
    4.
    发明申请
    Method and apparatus for measuring velocity of land vehicle using accelerometer and route guidance information data 有权
    使用加速度计和路线引导信息数据测量陆地车辆速度的方法和装置

    公开(公告)号:US20050119798A1

    公开(公告)日:2005-06-02

    申请号:US10864009

    申请日:2004-06-09

    CPC分类号: G01P7/00

    摘要: A method and apparatus for measuring the velocity of a vehicle are provided. An acceleration measurement received from an accelerator and RGI data received from an external information server are stored and an irregularity constant of the accelerator is determined. It is determined whether the vehicle is in a stationary state by analyzing the acceleration measurement. If the vehicle is not in the stationary state, the inclination angle of a road on which the vehicle is traveling is calculated using a plurality of three-dimensional shape points included in the RGI data. A gravity acceleration component is compensated for from the acceleration measurement using the road inclination angle. The velocity of the vehicle is calculated using the compensated acceleration measurement.

    摘要翻译: 提供了一种用于测量车辆速度的方法和装置。 存储从加速器接收的加速度测量值和从外部信息服务器接收的RGI数据,并确定加速器的不规则常数。 通过分析加速度测量来确定车辆是否处于静止状态。 如果车辆不处于静止状态,则使用包含在RGI数据中的多个三维形状点来计算车辆行驶的道路的倾斜角度。 使用道路倾斜角度从加速度测量中补偿重力加速度分量。 使用补偿加速度测量计算车辆的速度。

    Method and apparatus for measuring velocity of land vehicle using accelerometer and route guidance information data
    5.
    发明授权
    Method and apparatus for measuring velocity of land vehicle using accelerometer and route guidance information data 有权
    使用加速度计和路线引导信息数据测量陆地车辆速度的方法和装置

    公开(公告)号:US07400946B2

    公开(公告)日:2008-07-15

    申请号:US10864009

    申请日:2004-06-09

    IPC分类号: G06F11/00

    CPC分类号: G01P7/00

    摘要: A method and apparatus for measuring the velocity of a vehicle are provided. An acceleration measurement received from an accelerator and RGI data received from an external information server are stored and an irregularity constant of the accelerator is determined. It is determined whether the vehicle is in a stationary state by analyzing the acceleration measurement. If the vehicle is not in the stationary state, the inclination angle of a road on which the vehicle is traveling is calculated using a plurality of three-dimensional shape points included in the RGI data. A gravity acceleration component is compensated for from the acceleration measurement using the road inclination angle. The velocity of the vehicle is calculated using the compensated acceleration measurement.

    摘要翻译: 提供了一种用于测量车辆速度的方法和装置。 存储从加速器接收的加速度测量值和从外部信息服务器接收的RGI数据,并确定加速器的不规则常数。 通过分析加速度测量来确定车辆是否处于静止状态。 如果车辆不处于静止状态,则使用包含在RGI数据中的多个三维形状点来计算车辆行驶的道路的倾斜角度。 使用道路倾斜角度从加速度测量中补偿重力加速度分量。 使用补偿加速度测量计算车辆的速度。

    Method and apparatus for measuring speed of moving body using accelerometer

    公开(公告)号:US06928382B2

    公开(公告)日:2005-08-09

    申请号:US10808756

    申请日:2004-03-25

    CPC分类号: G01P15/00 G01P7/00 G01P15/18

    摘要: Disclosed are an apparatus and a method for measuring the speed of a moving body using an accelerometer. A value of earth's gravitational acceleration component is detected from the measurements from the accelerometer and is removed from the acceleration value. Then, the acceleration value, after removal of the earth's gravitational acceleration component, is used to obtain the speed of the moving body. The earth's gravitational acceleration component is detected using a movement average at a point of time when the speed of the moving body is to be measured. By using the magnitude of a difference between a value obtained by removing an x-axis movement average from an x-axis measurement from the two-axis accelerometer and another value obtained by removing a y-axis movement average from a y-axis measurement from the two-axis accelerometer, it is possible to regulate a window for calculating the movement average and a weight value to each of the measurements included in the window. The present invention saves cost by reducing the number of expensive gyroscopes in implementing a speed measuring apparatus for vehicles. In addition, the speed measuring apparatus designed according to the present invention is superior to that designed according to the prior art in performance and improves the accuracy of position estimation in position estimation apparatuses for vehicles.

    Method and apparatus for measuring speed of moving body using accelerometer
    7.
    发明申请
    Method and apparatus for measuring speed of moving body using accelerometer 有权
    使用加速度计测量移动体速度的方法和装置

    公开(公告)号:US20050021270A1

    公开(公告)日:2005-01-27

    申请号:US10808756

    申请日:2004-03-25

    CPC分类号: G01P15/00 G01P7/00 G01P15/18

    摘要: Disclosed are an apparatus and a method for measuring the speed of a moving body using an accelerometer. A value of earth's gravitational acceleration component is detected from the measurements from the accelerometer and is removed from the acceleration value. Then, the acceleration value, after removal of the earth's gravitational acceleration component, is used to obtain the speed of the moving body. The earth's gravitational acceleration component is detected using a movement average at a point of time when the speed of the moving body is to be measured. By using the magnitude of a difference between a value obtained by removing an x-axis movement average from an x-axis measurement from the two-axis accelerometer and another value obtained by removing a y-axis movement average from a y-axis measurement from the two-axis accelerometer, it is possible to regulate a window for calculating the movement average and a weight value to each of the measurements included in the window. The present invention saves cost by reducing the number of expensive gyroscopes in implementing a speed measuring apparatus for vehicles. In addition, the speed measuring apparatus designed according to the present invention is superior to that designed according to the prior art in performance and improves the accuracy of position estimation in position estimation apparatuses for vehicles.

    摘要翻译: 公开了一种使用加速度计测量移动体的速度的装置和方法。 从加速度计的测量中检测到地球重力加速度分量的值,并从加速度值中移除。 然后,使用去除地球重力加速度分量后的加速度值来获得移动体的速度。 在测量移动体的速度的时间点,使用移动平均值来检测地球的重力加速度分量。 通过使用通过从双轴加速度计从x轴测量中除去x轴移动平均值而获得的值与通过从y轴测量中除去y轴移动平均值获得的值之间的差的大小, 双轴加速度计,可以调整用于计算移动平均值的窗口和对包括在窗口中的每个测量值的权重值。 本发明通过减少实施用于车辆的速度测量装置的昂贵的陀螺仪的数量来节省成本。 此外,根据本发明设计的速度测量装置的性能优于根据现有技术设计的速度测量装置,并且提高了用于车辆的位置估计装置中的位置估计精度。

    Step length estimation method and portable terminal for the same
    8.
    发明授权
    Step length estimation method and portable terminal for the same 有权
    步长估计方法和便携式终端相同

    公开(公告)号:US08280678B2

    公开(公告)日:2012-10-02

    申请号:US11932192

    申请日:2007-10-31

    IPC分类号: G01C22/00 G01C17/38

    CPC分类号: G01C22/006

    摘要: An apparatus and method for estimating a step length of a user are provided. The apparatus and method use a step length estimation algorithm, e.g. a step length estimation parameter coefficient, according to a movement state of a user, i.e. whether the movement state is a walking state or a running state. The movement state of the user is determined on the basis of an acceleration variance value of an acceleration signal output from an accelerometer. Accordingly, the apparatus and method prevent errors in step length determinations.

    摘要翻译: 提供了一种用于估计用户的步长的装置和方法。 该装置和方法使用步长估计算法,例如, 根据用户的移动状态,即移动状态是行走状态还是行驶状态,进行步长估计参数系数。 基于从加速度计输出的加速度信号的加速度方差值来确定用户的运动状态。 因此,装置和方法防止步长确定中的误差。

    Position measuring system and method using wireless broadband (WIBRO) signal
    9.
    发明申请
    Position measuring system and method using wireless broadband (WIBRO) signal 审中-公开
    使用无线宽带(WIBRO)信号的位置测量系统和方法

    公开(公告)号:US20070004430A1

    公开(公告)日:2007-01-04

    申请号:US11481071

    申请日:2006-07-05

    IPC分类号: H04Q7/20

    CPC分类号: H04W64/00 G01S5/0236 G01S5/10

    摘要: Provided is a position measuring system and method using a Wireless Broadband (WiBro) signal. The position measuring system measures the position of a terminal using relative delay information that is a parameter of the WiBro signal, used for a hand-over. Since the position of a terminal is measured using a parameter for a hand-over, additional data measurement is not required for the position measurement. Furthermore, efficiency in the use of a parameter of a WiBro system can be improved by using a parameter used only in the hand-over for position measurement.

    摘要翻译: 提供了一种使用无线宽带(WiBro)信号的位置测量系统和方法。 位置测量系统使用作为用于切换的WiBro信号的参数的相对延迟信息来测量终端的位置。 由于使用用于切换的参数来测量终端的位置,所以不需要对位置测量进行附加的数据测量。 此外,通过使用仅在用于位置测量的切换中使用的参数,可以提高使用WiBro系统的参数的效率。

    Apparatus and method for detecting step in a personal navigator
    10.
    发明申请
    Apparatus and method for detecting step in a personal navigator 有权
    用于检测个人导航仪中步骤的装置和方法

    公开(公告)号:US20070067094A1

    公开(公告)日:2007-03-22

    申请号:US11523458

    申请日:2006-09-18

    IPC分类号: G01C21/00

    CPC分类号: G01C22/006

    摘要: A step detecting apparatus and method in a personal navigator where acceleration signals in at least two directions are acquired from an accelerometer sensor, as a pedestrian moves. Variances of the acceleration signals are calculated and summed. The variance sum is compared with a threshold. If the variance sum is greater than the threshold, it is determined that a detected step is a walking step. If the variance sum is less than the threshold, it is determined that the detected step is a mark-time step.

    摘要翻译: 当行人移动时,个人导航仪中的步进检测装置和方法,其中从加速度计传感器获取至少两个方向的加速度信号。 加速度信号的差异被计算和相加。 将方差和与阈值进行比较。 如果方差和大于阈值,则确定检测到的步骤是步行步骤。 如果方差和小于阈值,则确定检测到的步骤是标记时间步长。